Detections
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Mattermost Server < 7.8.13 / 8.x < 8.1.4 / 9.0.x < 9.0.2 / 9.1.0 Multiple Vulnerabilities

medium Nessus Plugin ID 185452

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Synopsis

A web application running on the remote server is affected by multiple vulnerabilities.

Description

The version of Mattermost Server running on the remote host is prior to 7.8.13, 8.x prior to 8.1.4, 9.0.x prior to 9.0.2 or 9.1.x prior to 9.1.1. It is, therefore, affected by multiple vulnerabilities as referenced in the MMSA-2023-00218, MMSA-2023-00219, MMSA-2023-00233, MMSA-2023-00241, MMSA-2023-00252 and MMSA-2023-00254 security advisories.

 - Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb). (CVE-2023-48268) (MMSA-2023-00218)

 - Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string. (CVE-2023-40709) (MMSA-2023-00219)

 - Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked 'Back to Mattermost' after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to= (CVE-2023-47168) (MMSA-2023-00252)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Mattermost Server version 7.8.13, 8.1.4, 9.0.2, 9.1.1 or later.

See Also

https://mattermost.com/security-updates/

Plugin Details

Severity: Medium

ID: 185452

File Name: mattermost_server_9_1_1.nasl

Version: 1.3

Type: remote

Family: CGI abuses

Published: 11/10/2023

Updated: 12/6/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2023-47168

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mattermost:mattermost_server

Required KB Items: installed_sw/Mattermost Server

Exploit Ease: No known exploits are available

Patch Publication Date: 10/27/2023

Reference Information

CVE: CVE-2023-40703, CVE-2023-43754, CVE-2023-47168, CVE-2023-48268, CVE-2023-48369, CVE-2023-6202

IAVA: 2023-A-0604-S